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Outputs (373)

Trepidation or Precession: The Turning Point in a Tradition (2023)
Book Chapter
Tanner, B., McLeish, T., & Nothaft, P. (2023). Trepidation or Precession: The Turning Point in a Tradition. In G. E. Gasper, T. C. McLeish, S. Olsen Sønnesyn, & H. E. Smithson (Eds.), Mapping the Universe: Robert Grosseteste’s De sphera - On the Sphere (279-304). Oxford: Oxford University Press

This chapter provides historical and scientific commentary on the reference in On the Sphere to the very slow movement of the equinoxes as identified by the change in stellar positions measured in different centuries. It discusses the two different m... Read More about Trepidation or Precession: The Turning Point in a Tradition.

Commentary on the model of the world machine (2023)
Book Chapter
Tanner, B., McLeish, T., Sonnesyn, S., & Falk, S. (2023). Commentary on the model of the world machine. In G. E. M. Gasper, T. C. B. McLeish, S. Olsen Sønnesyn, & H. E. Smithson (Eds.), 'Mapping the Universe: Robert Grosseteste’s De sphera - On the Sphere (132-166). Oxford: Oxford University Press

The chapter provides both a commentary and a science-based explanation of the text of On the Sphere. It contains many diagrams, designed to clarify the geometrical constructions on which the narrative is based. Presented in alignment with the paragra... Read More about Commentary on the model of the world machine.

X-ray Diffraction Topography (Imaging) of Crystals Grown from Solution: A Short Review (2023)
Journal Article
Tanner, B. K. (2023). X-ray Diffraction Topography (Imaging) of Crystals Grown from Solution: A Short Review. Crystal Growth and Design, 23(4), 3026-3033. https://doi.org/10.1021/acs.cgd.2c01463

A short review of X-ray topographic studies of crystals grown from solution is presented. The dislocation configurations characteristic of such crystals are described, and Klapper’s explanation in terms of minimization of the elastic energy of a disl... Read More about X-ray Diffraction Topography (Imaging) of Crystals Grown from Solution: A Short Review.

A cooking pot lit by fire (2023)
Journal Article
Gasper, G. E. M., & Tanner, B. K. (2023). A cooking pot lit by fire. Astronomy and Geophysics, 64(1), 1.36-1.37. https://doi.org/10.1093/astrogeo/atac091

Recent research into the records of eclipses in the Chronicle of the English monk, Gervase of Canterbury, has indicated that an entry for the year 1187 C.E. may contain a description of solar prominences being visible during the total eclipse of that... Read More about A cooking pot lit by fire.

X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions (2022)
Journal Article
Tanner, B. K., Danilewsky, A., & McNally, P. J. (2022). X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions. Journal of Applied Crystallography, 55(5), 1139-1146. https://doi.org/10.1107/s1600576722007142

X-ray diffraction imaging was used to monitor the local strains that developed around individual n–p–n bipolar transistors within fully encapsulated packages under conditions of extremely high forward bias to simulate accelerated ageing. Die warpage... Read More about X-ray diffraction imaging of fully packaged n–p–n transistors under accelerated ageing conditions.

A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning (2022)
Journal Article
Gasper, G. E., & Tanner, B. K. (2022). A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning. Weather, 77(7), 232-234. https://doi.org/10.1002/wea.4144

We describe an entry in a twelfth century monastic chronicle, compiled and composed by Gervase of Canterbury (c. 1145–c. 1210), which gives a credible description of ball lightning. It predates the earliest known report of the phenomenon from England... Read More about A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning.

Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230) (2021)
Journal Article
White, R. C., Gasper, G. E., McLeish, T. C., Tanner, B. K., Harvey, J. S., Sønnesyn, S. O., Young, L. K., & Smithson, H. E. (2021). Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230). Isis: A Journal of the History of Science Society, 112(1), 93-107. https://doi.org/10.1086/713724

In his treatise On the Rainbow (De iride), composed nearly four hundred years before the first known telescope, the English polymath Robert Grosseteste identified three striking optical effects: distant objects can be rendered close by; close-by larg... Read More about Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230).

X-ray imaging of silicon die within fully packaged semiconductor devices (2021)
Journal Article
Tanner, B. K., McNally, P. J., & Danilewsky, A. N. (2021). X-ray imaging of silicon die within fully packaged semiconductor devices. Powder Diffraction, 36(2), 78-84. https://doi.org/10.1017/s088571562100021x

X-ray diffraction imaging (XRDI) (topography) measurements of silicon die warpage within fully packaged commercial quad-flat no-lead devices are described. Using synchrotron radiation, it has been shown that the tilt of the lattice planes in the Anal... Read More about X-ray imaging of silicon die within fully packaged semiconductor devices.